baber/WOPTO huggingface dataset:
Patent JP-2021116729-A (JP)
Title: Internal combustion engine control system
Inventor: TOTANI MASANORI
IPC: F02M26/47
Filed: 2020-01-24
Abstract: To detect clogging of an EGR passage by calculating a flow rate of EGR gas by using only a temperature sensor.SOLUTION: An internal combustion engine 100 includes: a downstream side temperature sensor 25 disposed on the downstream side of a throttle valve 24 in an intake passage 20; an upstream side temperature sensor 27 disposed on the upstream side of the downstream side temperature sensor 25 in the intake passage 20; an EGR temperature sensor 54 disposed in an EGR passage 50; and an air flow meter 22 disposed in the intake passage 20. A control device 60 corrects a detection temperature obtained by each temperature sensor on the basis of a deviation amount of a detection temperature obtained by each temperature sensor at start of the control device 60 after elapse of a specified time or longer from stop of the internal combustion engine 100 from a reference temperature. Then, the control device 60 calculates a flow rate of EGR gas on the basis of a corrected temperature of each temperature sensor and an intake flow rate, and detects clogging of the EGR passage 50 on the basis of the flow rate.SELECTED DRAWING: Figure 1
Patent JP-2021115373-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2020-01-29
Abstract: To provide a game machine that preferably displays a display including a specific character in relation to a background image.SOLUTION: In a second display area, the imparting amount display regarding the imparting amount of an imparted game value can be displayed on the front side of a background image. In a first display area, characters used for notification display for notifying a player that the imparting amount of the game value reaches a predetermined amount, are larger in size than the characters used for the imparting amount display and displayed on the front side of the background image. Characters used for the imparting amount display and the notification display include specific characters in which the specific area surrounded by the lines that form the characters is formed. For the specific characters used for the imparting amount display, the background image cannot be seen from the specific area.SELECTED DRAWING: Figure 11-4
Patent JP-2020074324-A (JP)
Title: Method for manufacturing laminated structure
Inventor: ISA TOSHIYUKI
IPC: H05B33/10
Filed: 2020-02-03
Abstract: To provide a novel laminated structure excellent in convenience or reliability, and to provide a method for manufacturing a novel laminated structure excellent in convenience or reliability, and to provide a novel semiconductor device.SOLUTION: A laminated structure has a first area through a fifth area in this order. The first area through the fifth area each include a first substrate and a second substrate, and the first area, third area, and fifth area have a spacer forming a predetermined gap between the first substrate and second substrate.SELECTED DRAWING: Figure 1
Patent JP-2021125372-A (JP)
Title: Light guide body
Inventor: KUDO SHUICHI
IPC: F21V8/00
Filed: 2020-02-05
Abstract: To provide a light guide body capable of emitting incident light in a plurality of directions efficiently.SOLUTION: A light guide body 1 has a first incident surface 2L into which incident light 101 is made incident, and a first emission surface 10 and a second emission surface 20 from which the incident light 101 is emitted to the outside. The first emission surface 10 and the second emission surface 20 respectively have prisms 11, 21 that are arranged so as to face each other and reflect the incident light 101 toward one of the facing first emission surface 10 and second emission surface 20. The prism 11 of the first emission surface 10 is arranged at a position where the distances from the prism 21 of the second emission surface 20 and the first incident surface 2L are different.SELECTED DRAWING: Figure 2
Patent JP-2021124394-A (JP)
Title: X-ray inspection device
Inventor: KUDO DAISUKE
IPC: G01N23/18
Filed: 2020-02-05
Abstract: To provide an X-ray inspection device that can easily grasp the presence of foreign material in any region of an inspection target object.SOLUTION: An X-ray inspection device 1 has a controller 10. The controller 10 generates an X-ray image from the result of detection of an X-ray passing through an item G and processes the generated X-ray image. The controller 10 virtually divides the item G shown on an X-ray image into regions of the item G, inspects each region of the X-ray image, and records the result of inspection of each region in relation to region information of the region.SELECTED DRAWING: Figure 1
Patent JP-2021123479-A (JP)
Title: Paper feed device system, paper feed device, paper feed device control program and image formation device
Inventor: FUJITA YUJI
IPC: B65H7/06
Filed: 2020-02-06
Abstract: To provide a paper feed device system capable of executing highly precise paper feed regardless of types of paper or installation environment of a device.SOLUTION: A paper feed device system includes: a fan having a function of floating paper from a paper bundle on a paper feed tray by air blowing; a sucking and conveying section for sucking and conveying the floated paper; a drive control section for controlling drive of the fan and the sucking and conveying section on the basis of a drive control program; a float detection member for detecting floating of the paper; and a learning device for developing control information for updating the drive control program by executing enhancement learning. The learning device executes the enhancement learning by applying reward on the basis of a detection result from the float detection member.SELECTED DRAWING: Figure 4
Patent JP-2021129362-A (JP)
Title: Power transmission device
Inventor: MAEDA ATSUSHI
IPC: H02K7/108
Filed: 2020-02-12
Abstract: To downsize a power transmission device including a motor and a clutch.SOLUTION: A power transmission device includes a rotary electric machine 40 having a rotor 80, a clutch 48 positioned on the inner circumferential side of the rotor 80, a magnet 52 positioned on the inner circumferential side of the clutch 48, and a rotation sensor 47 for which the magnet 52 is a to-be-detected section.SELECTED DRAWING: Figure 2
Patent JP-2021129235-A (JP)
Title: Optical wireless communication system and control method of optical wireless communication system
Inventor: HAYASHI MASAHIRO
IPC: H04W76/19
Filed: 2020-02-14
Abstract: To provide an optical wireless communication system capable of easily re-establishing a communication route of the optical wireless communication when a communication route of the optical wireless communication in a movable body such as a flying body cannot be established.SOLUTION: An optical wireless communication system 1 performs communication by using an optical beam between a movable body 10 and a base station 100. When a first controller of the movable body determines that a communication route is not established with the base station, the first controller instructs to transmit next first transmission data to the base station on the basis of estimated position information contained in the first transmission data which has been sent to the base station at a time point where the communication route has been established. When a second controller of the base station determines that a communication route is not established with the movable body, the second controller adjusts an adjustment mechanism to re-establish the communication route on the basis of the estimated position information contained in the first transmission data which has been transmitted from the movable body and has been received by the base station at the time point where the communication route has been established.SELECTED DRAWING: Figure 7
Patent JP-2021128092-A (JP)
Title: Information search device
Inventor: KOIKE MASARO
IPC: G01C21/34
Filed: 2020-02-14
Abstract: To provide an information search device which realizes simple input and fast response so as to suppress an increase in response time even if search conditions are complicated.SOLUTION: An information search device provided herein comprises recording means configured to store visiting destination information, including identification information and attribute information of a geographical location, in storage means when the geographical location was visited more than a given threshold times, and search means configured to search for the visiting destination information stored in the storage means in response to an input by a user. Such an arrangement improves user convenience.SELECTED DRAWING: Figure 3
Patent JP-2020106534-A (JP)
Title: Determination of abundance parameter for polynucleotide sequences in sample
Inventor: ZHAO YANAN
IPC: C12Q1/6816
Filed: 2020-02-17
Abstract: To provide a method for determining fractional abundance of specific polynucleotide sequences from a sample by using solid state nanopores, and a mathematical method for precise and accurate quantitation.SOLUTION: A method determines an improved estimate value of true fractional abundance of a target analyte (e.g., specific polynucleotide sequences) in a sample by using a nanopore sensor, e.g., by correcting errors inherent to when identifying and correlating electrical signals to amounts of the target analyte or a reference analyte in a sample.SELECTED DRAWING: Figure 4C
Patent JP-2021135802-A (JP)
Title: Road-vehicle communication device, road-vehicle communication method and road-vehicle communication system
Inventor: OTSU KEIKO
IPC: G08G1/16
Filed: 2020-02-27
Abstract: To support an automatic driving vehicle for smooth passing through a mountainous region with a narrow section.SOLUTION: A road-vehicle communication device is configured as follows. A first reception section receives first vehicle information including a position and a speed of a first vehicle traveling toward a narrow section from a detector installed on a road with the narrow section. A second reception section receives second vehicle information including a position and a speed of a second vehicle from the second vehicle which is an automatic driving vehicle traveling toward the narrow section to face the first vehicle. A determination section executes first determination processing for determining whether or not the first vehicle and the second vehicle pass by each other at the narrow section on the basis of the first vehicle information and the second vehicle information. An output section, when the first vehicle and the second vehicle are determined to pass by each other at the narrow section, outputs a control command for prohibiting the second vehicle from entering the narrow section.SELECTED DRAWING: Figure 2
Patent JP-2021136649-A (JP)
Title: Interference power estimation device, interference power estimation program, and information collection station
Inventor: TAKU OSAMU
IPC: H04L27/26
Filed: 2020-02-28
Abstract: To design an appropriate diffusion rate suitable for interference by accurately estimating the interference from another system in spread spectrum communication.SOLUTION: An interference power estimation device that receives a radio wave including a signal which is a signal from an arbitrary wireless terminal and in which transmission data is chirp-modulated at a predetermined diffusion rate for each symbol belonging to a predetermined set, and estimates power of an interference radio wave from the radio wave, includes: an FFT unit that converts the signal included in the received radio wave into a reception spectrum signal; a maximum likelihood estimation unit that prepares a chirp pattern for each symbol, compares correlation values between the received spectrum signal and each chirp pattern, and estimates symbols contained in the transmission data by maximum likelihood estimation; and a power estimation unit that estimates strength of the interference radio wave from the correlation values related to the chirp patterns other than the symbols estimated by maximum likelihood estimation.SELECTED DRAWING: Figure 1
Patent JP-2021137860-A (JP)
Title: Clad steel butt welding method, welded joint manufacturing method and welded structure manufacturing method
Inventor: FURUKAWA NAOHIDE
IPC: B23K33/00
Filed: 2020-03-06
Abstract: To provide a clad steel butt welding method by which welding can be performed in all postures from an inside of a pipe without performing a back bead chipping work, welding by a weld material with a strength equal to or higher than that of a non-corrosion resistant steel is possible, and both of corrosion resistance and a high strength of a clad steel tube can be achieved.SOLUTION: A clad steel butt welding method comprises: a process in which clad steels are butted so as to form a groove satisfying a prescribed condition; a process in which first layer welding is performed from a non-corrosion resistant steel side by use of a first weld material of which a strength is equal to or more than that of a non-corrosion resistant steel, and a back bead, of which a shape index, that is a back bead height Hb to a back bead width Wb, satisfies Hb/Wb<1, is formed in the groove on a high corrosion resistant material side, thereby welding a non-corrosion resistant steel side; and a process in which the high corrosion resistant material side is welded by use of a second weld material, of which corrosion resistance is equal to or more than that of the high corrosion resistant material, without performing a back bead chipping work.SELECTED DRAWING: Figure 6B
Patent JP-2021149280-A (JP)
Title: Support system for agricultural machine sharing
Inventor: SHIBASAKI AYAKA
IPC: G06Q50/10
Filed: 2020-03-17
Abstract: To promote agricultural machine sharing by a lender and a borrower.SOLUTION: A support system for agricultural machine sharing comprises: a storage device which associates individual information on a plurality of lenders, individual information on an agricultural machine of the lender, and a lending condition in advance and stores each of them as a plurality of first information; first means which selects first information corresponding to prescribed second information including a lending condition of the agricultural machine desired by a borrower and presents the selected first information to the borrower; second means receiving from the borrower a borrowing request; third means receiving approval of the borrowing request from the lender; fourth means which receives setting of transportation means of the agricultural machine and/or setting of maintenance work; and fifth means receiving setting regarding insurance of the agricultural machine.SELECTED DRAWING: Figure 1
Patent JP-2021150376-A (JP)
Title: Circuit board and manufacturing method thereof
Inventor: MATSUOKA YOSHIHISA
IPC: H05K1/11
Filed: 2020-03-17
Abstract: To facilitate the manufacture of a circuit board composed of multiple layers.SOLUTION: A laminated substrate 1 of a circuit board according to the present invention is configured by repeatedly laminating a conductor layer 2, a core layer 3, and a prepreg layer 4 over a plurality of layers, and includes a through hole 5 in which the inner diameter of the laminated substrate 1 gradually expands from one surface (upper surface of FIG. 1) to the other surface (lower surface of FIG. 1) of the laminated substrate 1 by penetrating the laminated substrate 1 in the thickness direction, and a plurality of conductor vias 6 provided in a plurality of regions separated from each other in the thickness direction of the laminated substrate 1 on the inner circumference of the through hole 5 and electrically connected to the conductor layer 2 of the laminated substrate 1 corresponding to each region.SELECTED DRAWING: Figure 1
Patent JP-2021147462-A (JP)
Title: Moisture-curable reactive hot-melt adhesive composition and production method thereof
Inventor: NAKAJIMA SAE
IPC: C09J175/04
Filed: 2020-03-18
Abstract: To provide: a moisture-curable reactive hot-melt adhesive composition which can be applied without stringing and does not foam even when the adhesive layer is thick; and a production method thereof.SOLUTION: Provided is a moisture-curable reactive hot-melt adhesive composition comprising a urethane prepolymer which is a reaction product of a polyol component and an isocyanate component, the polyol component including a polyester polyol, a polyether polyol, and a polybutadiene polyol as essential ingredients and an isocyanate group. The equivalent of hydroxyl groups (OH) of the polyol component and the equivalent of isocyanate groups (NCO) of the isocyanate component satisfy a formula, NCO/OH (equivalent ratio)=1.85 to 1.95.SELECTED DRAWING: None
Patent JP-2021150198-A (JP)
Title: Socket and manufacturing method of socket
Inventor: AZUMI REO
IPC: H01R33/76
Filed: 2020-03-19
Abstract: To provide a socket which can reliably secure an electrical connection to the electric component and a manufacturing method of the socket.SOLUTION: A socket electrically connects a first electric component and a second electric component, and comprises: a metal housing including a through-hole which penetrates through between a first surface facing the first electric component at use and a second surface facing the second electric component at use; a contact pin which extends penetrating through the through-hole and includes a first end contacting the first electric component and a second end contacting the second electric component; and a holding member which is arranged surrounding the contact pin in the through-hole and holds the contact pin so as to separate the same away from an inner wall surface of the through-hole. The contact pin includes a first plunger including a first end. The first plunger includes: a body part inserted through the holding member; and a head part which is arranged as a first end in a connected manner to the body part, and has a larger diameter than the inner diameter of the holding member.SELECTED DRAWING: Figure 3
Patent JP-2021147197-A (JP)
Title: Feeding device and feeding method, manufacturing method of sintered magnet
Inventor: NAGANO YASUHIRO
IPC: B65G47/06
Filed: 2020-03-19
Abstract: To provide a feeding device and a feeding method capable of efficiently feeding a workpiece while saving a space, and a manufacturing method capable of efficiently manufacturing a sintered magnet.SOLUTION: A feeding device comprises: a lane unit 2 having a bottom part provided along a direction of extruding a workpiece W and a guide part 2b arranged in contact with the bottom part along the direction of extruding the workpiece to suppress positional deviation of the workpiece; a conveying device 3 in which a plurality of lane units are arranged so as to be parallel to the extruding direction and which sequentially conveys the lane units in a direction intersecting the extruding direction; an extrusion member 4 for extruding the workpiece arranged on the lane unit; a detection unit 5 for detecting the workpiece extruded by the extrusion member; and a control unit which retracts the extrusion member and moves the lane unit by the conveying device when the workpiece is extruded by the extrusion member, the extrusion member is moved based on passage information of the workpiece obtained from the detection unit, and it is determined that the feeding of the workpiece is completed from the position of the extrusion member and at least one piece of information of the detection unit.SELECTED DRAWING: Figure 5
Patent JP-2021148655-A (JP)
Title: Relay testing device and high-voltage power receiver tester
Inventor: NAKAMURA TOMOYOSHI
IPC: H02H3/38
Filed: 2020-03-19
Abstract: To provide a relay testing device capable of easily using test current and test voltage of various patterns for a test, and a high-voltage power receiver tester.SOLUTION: A relay testing device 10 has: storage means 11 that stores test data 11B as sound data; a test output terminal 14 that outputs a test current CF relevant to a test of a ground relay GR; and a test device control means 16 that instructs the output of the test current CF based on the test data 11B. The relay testing device 10 may be used as a high-voltage power receiver tester that gives a test current CF to a high-voltage power receiving unit.SELECTED DRAWING: Figure 3
Patent JP-2021149016-A (JP)
Title: Control unit, imaging apparatus, control method and program
Inventor: NISHIKAWA TAKASHI
IPC: H04N5/232
Filed: 2020-03-23
Abstract: To provide a control unit capable of appropriately detecting a defocus amount by each subject when a plurality of subjects are present in a focus detection area.SOLUTION: A control unit (204) includes: acquisition means (204a) configured to acquire a pair of image signals having a phase difference according to an output signal from an imaging device; determination means (204b) configured to determine an image matching region and an image mismatching region of the pair of image signals according to a determination pixel at an extreme value or in a vicinity of the extreme value of the pair of image signals; division means (204c) configured to divide the pair of image signals into two pairs of partial image signals, according to the image matching region and the image mismatching region; and focus detection means (204d) configured to detect a defocus amount according to the two pairs of partial image signals.SELECTED DRAWING: Figure 4
Patent JP-2020158503-A (JP)
Title: Liquid crystalline compound having dibenzothiophene ring, liquid crystal composition and liquid crystal display element
Inventor: OKUMURA KAZUO
IPC: C09K19/54
Filed: 2020-03-24
Abstract: To provide a liquid crystalline compound satisfying at least one of physical properties such as high stability to heat or light, a high clear point, a low minimum temperature of a liquid crystal phase, small viscosity, appropriate optical anisotropy, negatively large dielectric anisotropy, an appropriate elastic constant and good compatibility with other liquid crystalline compounds, a liquid crystal composition containing the compound, and a liquid crystal display element containing the composition.SOLUTION: The compound is represented by formula (1), and the liquid crystal composition contains the above compound. In the formula, R1 and R2 represent an alkyl having 1 to 16 carbon atoms, or the like; A1 to A2 represent 1,4-cyclohexylene or the like; Z1 and Z2 represent a single bond or the like; m1 and n1 represent 0, 1 or 2; W represents -S- or the like; X represents H or F; and Y1 to Y4 represent H or a methyl.SELECTED DRAWING: None
Patent JP-2021153365-A (JP)
Title: Insulation sheet, method for manufacturing stator, and stator
Inventor: KIMURA MASAHIDE
IPC: H02K15/12
Filed: 2020-03-24
Abstract: To provide an insulation sheet capable of preventing deviation when a winding is inserted into a stator.SOLUTION: An insulation sheet (20) interposed between a slot (12) of a stator (10) and a winding (30) wound in a slot and electrically insulating an inner wall (12a) of the slot (12) and the winding (30), and includes: insulation paper (21); a first adhesive layer (22) in which a thermosetting first adhesive material is arranged on a first surface of the insulation paper (21) on an inner wall (12a) side of the slot (12); and a second adhesive layer (23) in which a thermosetting second adhesive material is arranged on a second surface of the insulation paper (21) on the winding (30) side. Curing temperature of the first adhesive material is set lower than that of the second adhesive material.SELECTED DRAWING: Figure 2